IRRSP CERTIFICATION SCRIPT 2026
COMPLETE QUESTIONS AND ANSWERS
◉ Stop ball.
Answer: The ball on a source assembly that prevents the source
from exiting through the back of the camera is called:
a. Stop ball
b. Pigtail ball
c. Safety stop ball
d. Retraction inhibitor ball
◉ Characteristics of source decay.
Answer: Emission of gamma rays, alpha rays and beta rays is
considered what?
a. Characteristics of source decay
b. Material is stable
c. Material is unbalanced
d. Leaking source
◉ More energy (Shorter wavelength).
Answer: To penetrate a thicker or denser material, you would need a
source with:
,a. More curies
b. More activity
c. More energy (Shorter wavelength)
d. Less energy (Longer wavelength)
◉ A number.
Answer: An element's weight is the:
a. A number
b. Z number
c. Atomic number
d. Number of neutrons
◉ Protons.
Answer: An element is identified by the number of __________ in its
nucleus.
a. Electrons
b. Protons
c. Neutrons
d. Photons
◉ Reddening of the skin.
,Answer: The first indication of an extremity radiation overexposure
is:
a. Reddening of the skin
b. Hair loss
c. Nausea
d. Blisters
◉ More penetrating.
Answer: Gamma radiation has a shorter wavelength than visible
light, therefore making it:
a. Less penetrating
b. More penetrating
c. Brighter
d. Less stable
◉ 5 mR/hr.
Answer: A radiation area is defined as "an area accessible to
individuals, in which they could receive......."
a. 2 mR/hr
b. 5 mR/hr
c. 50 mR/hr
d. 100 mR/hr
, ◉ 100 mR/hr.
Answer: A high radiation area is defined as "an area accessible to
individuals, in which they could receive...."
a. 2 mR/hr
b. 5 mR/hr
c. 50 mR/hr
d. 100 mR/hr
◉ B.
Answer: A member of the public or unmonitored individual is
allowed to receive up to, but not to exceed:
(Answer with A, B, C, or D)
a. 2 mR/hr, 500 mR/year
b. 2 mR/hr, 100 mR/year
c. 5 mR/hr, 100 mR/year
d. 5 mR/hr, 500 mR/year
◉ High radiation area and radiation area.
Answer: When performing radiography in the field, regulations
require the radiographer to post with physical barriers or signs the:
a. Restricted area
COMPLETE QUESTIONS AND ANSWERS
◉ Stop ball.
Answer: The ball on a source assembly that prevents the source
from exiting through the back of the camera is called:
a. Stop ball
b. Pigtail ball
c. Safety stop ball
d. Retraction inhibitor ball
◉ Characteristics of source decay.
Answer: Emission of gamma rays, alpha rays and beta rays is
considered what?
a. Characteristics of source decay
b. Material is stable
c. Material is unbalanced
d. Leaking source
◉ More energy (Shorter wavelength).
Answer: To penetrate a thicker or denser material, you would need a
source with:
,a. More curies
b. More activity
c. More energy (Shorter wavelength)
d. Less energy (Longer wavelength)
◉ A number.
Answer: An element's weight is the:
a. A number
b. Z number
c. Atomic number
d. Number of neutrons
◉ Protons.
Answer: An element is identified by the number of __________ in its
nucleus.
a. Electrons
b. Protons
c. Neutrons
d. Photons
◉ Reddening of the skin.
,Answer: The first indication of an extremity radiation overexposure
is:
a. Reddening of the skin
b. Hair loss
c. Nausea
d. Blisters
◉ More penetrating.
Answer: Gamma radiation has a shorter wavelength than visible
light, therefore making it:
a. Less penetrating
b. More penetrating
c. Brighter
d. Less stable
◉ 5 mR/hr.
Answer: A radiation area is defined as "an area accessible to
individuals, in which they could receive......."
a. 2 mR/hr
b. 5 mR/hr
c. 50 mR/hr
d. 100 mR/hr
, ◉ 100 mR/hr.
Answer: A high radiation area is defined as "an area accessible to
individuals, in which they could receive...."
a. 2 mR/hr
b. 5 mR/hr
c. 50 mR/hr
d. 100 mR/hr
◉ B.
Answer: A member of the public or unmonitored individual is
allowed to receive up to, but not to exceed:
(Answer with A, B, C, or D)
a. 2 mR/hr, 500 mR/year
b. 2 mR/hr, 100 mR/year
c. 5 mR/hr, 100 mR/year
d. 5 mR/hr, 500 mR/year
◉ High radiation area and radiation area.
Answer: When performing radiography in the field, regulations
require the radiographer to post with physical barriers or signs the:
a. Restricted area
